package com.xuecheng.manage_cms_client.config;

import org.springframework.amqp.core.*;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@Configuration
public class RabbitConfig {
    public static final String QUEUE_INFORM_EMAIL ="queue_inform_email";
    public static final String QUEUE_INFORM_SMS ="queue_inform_sms";
    public static final String EXCHANGE_TOPICS_INFORM="exchange_topics_inform_springboot";

    /**
     * 交换机配置
     * ExchangeBuilder提供了fanout,direct,topic,header交换机类型的配置
     * @return
     */
    @Bean(EXCHANGE_TOPICS_INFORM)
    public Exchange EXCHANGE_TOPICS_INFORM(){
        //durable(true)持久化，消息队列重启后交换机仍然存在
        return ExchangeBuilder.topicExchange(EXCHANGE_TOPICS_INFORM).durable(true).build();
    }

    /**
     * 声明队列
     * @return
     */
    @Bean(QUEUE_INFORM_SMS)
    public Queue QUEUE_INFORM_SMS(){
        return new Queue(QUEUE_INFORM_SMS);
    }

    @Bean(QUEUE_INFORM_EMAIL)
    public Queue QUEUE_INFORM_EMAIL(){
        return new Queue(QUEUE_INFORM_EMAIL);
    }

    /**
     * 将队列绑定到交换机上
     * @param queue
     * @param exchange
     * @return
     */
    @Bean
    public Binding BINDING_QUEUE_INFORM_SMS(@Qualifier(QUEUE_INFORM_SMS) Queue queue,
                                            @Qualifier(EXCHANGE_TOPICS_INFORM) Exchange exchange){
        return BindingBuilder.bind(queue).to(exchange).with("inform.#.sms.#").noargs();

    }

    @Bean
    public Binding BINDING_QUEUE_INFORM_EMAIL(@Qualifier(QUEUE_INFORM_EMAIL) Queue queue,
                                            @Qualifier(EXCHANGE_TOPICS_INFORM) Exchange exchange){
        return BindingBuilder.bind(queue).to(exchange).with("inform.#.email.#").noargs();

    }
}
